diff --git a/package.json b/package.json
index ec153cb..65fc5d9 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   },
   "scripts": {
     "bundle": "npx rollup --config",
-    "start": "node src/app.js",
+    "start": "bash ./run.sh",
     "setup": "bash ./scripts/build_setup.sh",
     "build": "echo 'please run ./scripts/build_setup.sh first (one time only) and then ./scripts/compile.sh'",
     "clean": "rm -rf build/* bin/*",
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..14c31a4
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+phys=$(free -t -m | grep -oP '\d+' | sed '10!d')
+alloc=$(echo "$phys * 90/100" | bc )
+echo $alloc
+node --max-old-space-size=$alloc src/app.js